package com.itheima.service;

import com.itheima.entity.User;

/**
 * @program: dubbo-pro
 * @description:
 * @author: zhanghz001
 * @create: 2021-02-06 09:35
 **/
public interface UserService {
    String sayHello();
    
    /**
     * 查询用户
     */
    User findUserById(int id);
}
